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By Grace Royal · Sep 2026

ee-o or eye-o

Io

OriginGreek mythology name
GenderGirl
Also a boy's nameShow me Io as a boy's name

About Io

The name Io peaked for girls at #6548 in 2022. Io is occasionally used for boys in 2025.

Pronounced ee-o or eye-o. 1 syllable.

As of September 2026, Io ranked #15815 in US births in 2025 SSA, peaked at #6548 in 2022.

Popularity & trends

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Io in pop culture

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    one of the Galilean moons

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    meaning of "I" in Italian

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    American indie,rock band

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    meaning of "Something" in Esperanto

Io in blog posts

Night Names are Heavenly
Two-Letter Baby Names: Bo,Ty and Vi
15 Stellar Astronomy Baby Names
Sagittarius Names Hit the Target

Io on more lists

Greek Names
Greek Names for Girls
2 Letter Girl Names
Names Ending in O for Girls
Names That Mean Mythology

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